Introduction to CBVs

Question 1

Code for adding class-based views to your apps urls.py file?

Answer 1

Question 2

code for calling nothing but a template using class based views.

Answer 2

Question 3

explain what **kwargs and *args means.

Answer 3

prepares a function to accept an arbitrary number of args of kwargs.

Question 4

Code for injecting content into a cbv.

Answer 4

Question 5

what model field class is for the input of positive whole numbers

Answer 5

PositiveIntegerField()

Question 6

In a class based view, what line of code provides you with a list of all the information contained in a model?

Answer 6

model = models.School

Question 7

line of code for assigning a template to a cbv.

Answer 7

template_name = ‘basic_app/school_detail.html’

Question 8

how do you change the context object name in the view function?

Answer 8

context_object_name = ‘schools’

Question 9

ListView returns …

DetailView returns …

Answer 9

model_name_list

model_name

Question 10

An example of a line of code that relates a list of objects to a ForeignKey

Answer 10

Question 11

path() function in urls.py that links a view to an the id of a model.

Answer 11

Question 12

how do you reference a specific instance of a model’s cbv as a link

Answer 12

Question 13

What does CRUD stand for?

Answer 13

• Create
• Retreat
• Update
• Delete

Question 14

url pattern for the CreateView cbv.

Answer 14

Question 15

for the CreateView cbv, what template name does django automatically look for?

Answer 15

the name of the model being created underscore form.html

model_form.html

Question 16

explain this block of html code?

{% if not form.instance.pk %}
Create School
{% else %}
Update School
{% endif %}

Answer 16

• check if the instance of the primary key exists or not
  
  • if it does not print “Create School”
  • else print “Update School”

Question 17

what goes into the get_absolute_url() method?

Answer 17

14 - go to the detail view of the school you just made

14 - using the pk of the school you just created.

| , kwargs={‘pk’:self.pk}) |

(reverse(“basic_app:detail” |

Question 18

what attributes need to be defined in the SchoolCreateView?

Answer 18

Question 19

What does success_url = reverse_lazy(“basic_app:list”) do?

Answer 19

• what to do upon successful deletion
• dont execute this code immediately, only when the deletion of the object has been confirmed.

Question 20

When does the get_absolute_url() method need to be present in a models code?

Answer 20

when you have a view that uses the CreateView class, django needs to know where to take the user upon creating that new model.